diff options
Diffstat (limited to 'contrib/gcc/loop.c')
| -rw-r--r-- | contrib/gcc/loop.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/contrib/gcc/loop.c b/contrib/gcc/loop.c index d653b5cb2d635..4045cedb47a74 100644 --- a/contrib/gcc/loop.c +++ b/contrib/gcc/loop.c @@ -4039,6 +4039,7 @@ emit_prefetch_instructions (loop) int bytes_ahead = PREFETCH_BLOCK * (ahead + y); rtx before_insn = info[i].giv->insn; rtx prev_insn = PREV_INSN (info[i].giv->insn); + rtx seq; /* We can save some effort by offsetting the address on architectures with offsettable memory references. */ @@ -4053,14 +4054,17 @@ emit_prefetch_instructions (loop) loc = reg; } + start_sequence (); /* Make sure the address operand is valid for prefetch. */ if (! (*insn_data[(int)CODE_FOR_prefetch].operand[0].predicate) (loc, insn_data[(int)CODE_FOR_prefetch].operand[0].mode)) loc = force_reg (Pmode, loc); - emit_insn_before (gen_prefetch (loc, GEN_INT (info[i].write), - GEN_INT (3)), - before_insn); + emit_insn (gen_prefetch (loc, GEN_INT (info[i].write), + GEN_INT (3))); + seq = gen_sequence (); + end_sequence (); + emit_insn_before (seq, before_insn); /* Check all insns emitted and record the new GIV information. */ @@ -5847,7 +5851,7 @@ check_final_value (loop, v) #endif if ((final_value = final_giv_value (loop, v)) - && (v->always_computable || last_use_this_basic_block (v->dest_reg, v->insn))) + && (v->always_executed || last_use_this_basic_block (v->dest_reg, v->insn))) { int biv_increment_seen = 0, before_giv_insn = 0; rtx p = v->insn; |